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   <div id="projectname">GrPPI
   &#160;<span id="projectnumber">0.2</span>
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   <div id="projectbrief">Generic and Reusable Parallel Pattern Interface</div>
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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_09623dfa51a61b2fbf8544d2a5f9ce36.html">tbb</a></li>  </ul>
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<div class="title">tbb/map.h</div>  </div>
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<a href="tbb_2map_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">* @version    GrPPI v0.2</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">* @copyright    Copyright (C) 2017 Universidad Carlos III de Madrid. All rights reserved.</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">* @license    GNU/GPL, see LICENSE.txt</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">* This program is free software: you can redistribute it and/or modify</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">* it under the terms of the GNU General Public License as published by</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">* the Free Software Foundation, either version 3 of the License, or</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">* (at your option) any later version.</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">*</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">* This program is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">* but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">* GNU General Public License for more details.</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">*</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">* You have received a copy of the GNU General Public License in LICENSE.txt</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">* also available in &lt;http://www.gnu.org/licenses/gpl.html&gt;.</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment">*</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment">* See COPYRIGHT.txt for copyright notices and details.</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">*/</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#ifndef GRPPI_TBB_MAP_H</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#define GRPPI_TBB_MAP_H</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#ifdef GRPPI_TBB</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="parallel__execution__tbb_8h.html">parallel_execution_tbb.h</a>&quot;</span></div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &lt;tbb/tbb.h&gt;</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacegrppi.html">grppi</a> {</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> InputIt, <span class="keyword">typename</span> OutputIt, <span class="keyword">typename</span> Transformer&gt;</div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="group__map__pattern__tbb.html#gab5b27bf218e3322a33cd2915c2782727">   53</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="group__map__pattern__native.html#ga219611f3c6719598a8810d6ea6cafe2a">map</a>(<a class="code" href="classgrppi_1_1parallel__execution__tbb.html">parallel_execution_tbb</a> &amp; ex, </div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;         InputIt first, InputIt last, </div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;         OutputIt first_out, </div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;         Transformer &amp;&amp; transf_op)</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;{</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;  tbb::parallel_for(</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    static_cast&lt;std::size_t&gt;(0), </div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    static_cast&lt;std::size_t&gt;((last-first)), </div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    [&amp;] (std::size_t index){</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;      <span class="keyword">auto</span> current = (first_out+index);</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;      *current = transf_op(*(first+index));</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    }</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;  );   </div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;}</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> InputIt, <span class="keyword">typename</span> OutputIt, </div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;          <span class="keyword">typename</span> Transformer,</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;          <span class="keyword">typename</span> ... OtherInputIts&gt;</div><div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="group__map__pattern__tbb.html#ga8fa55b32fcbc06ddfbbb6623f6241fb4">   85</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="group__map__pattern__native.html#ga219611f3c6719598a8810d6ea6cafe2a">map</a>(<a class="code" href="classgrppi_1_1parallel__execution__tbb.html">parallel_execution_tbb</a> &amp; ex, </div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;         InputIt first, InputIt last, OutputIt first_out, </div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;         Transformer &amp;&amp; transf_op, </div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;         OtherInputIts ... more_firsts)</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;{</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;  tbb::parallel_for(</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    static_cast&lt;std::size_t&gt;(0),</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    static_cast&lt;std::size_t&gt;((last-first)), </div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    [&amp;] (std::size_t index){</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;      <span class="keyword">auto</span> current = (first_out+index);</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;      *current = transf_op(*(first+index), *(more_firsts+index)...);</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    }</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160; );   </div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;}</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;}</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="preprocessor">#endif</span></div><div class="ttc" id="namespacegrppi_html"><div class="ttname"><a href="namespacegrppi.html">grppi</a></div><div class="ttdef"><b>Definition:</b> callable_traits.h:24</div></div>
<div class="ttc" id="classgrppi_1_1parallel__execution__tbb_html"><div class="ttname"><a href="classgrppi_1_1parallel__execution__tbb.html">grppi::parallel_execution_tbb</a></div><div class="ttdoc">TBB parallel execution policy. </div><div class="ttdef"><b>Definition:</b> parallel_execution_tbb.h:37</div></div>
<div class="ttc" id="parallel__execution__tbb_8h_html"><div class="ttname"><a href="parallel__execution__tbb_8h.html">parallel_execution_tbb.h</a></div></div>
<div class="ttc" id="group__map__pattern__native_html_ga219611f3c6719598a8810d6ea6cafe2a"><div class="ttname"><a href="group__map__pattern__native.html#ga219611f3c6719598a8810d6ea6cafe2a">grppi::map</a></div><div class="ttdeci">void map(parallel_execution_native &amp;ex, InputIt first, InputIt last, OutputIt first_out, Transformer &amp;&amp;transf_op)</div><div class="ttdoc">Invoke Map pattern on a data sequence with native paralell execution. </div><div class="ttdef"><b>Definition:</b> native/map.h:50</div></div>
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